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8.13.List
8.13.1.A List keeps it elements in the order in which they were added.
8.13.2.List: void add(int index, Object x) Inserts x at index.
8.13.3.List: Object get(int index) Returns the element at index.
8.13.4.List: int indexOf(Object x) Returns the index of the first occurrence of x, or -1 if the List does not contain x.
8.13.5.Collection: Object remove(int index) Removes the element at index.
8.13.6.ListIterator extends the Iterator interface to support bidirectional iteration of lists.
8.13.7.Using Iterator for Lists
8.13.8.toArray() method